Table 6 Values/distributions of major casemix variables for which adjustment is done by DHM-2008 per nth Admission for six hospitals.
From: Predicting hospital mortality among frequently readmitted patients: HSMR biased by readmission
| Â | A | A | A | A | A | A | A | A |
|---|---|---|---|---|---|---|---|---|
| Â | (n = 1) | (n = 2) | (n = 3) | (n = 4) | (n = 5,6) | (n = 7-9) | (n = 10-20) | (n > 20) |
Number of admissions | 240662 | 75778 | 33902 | 18546 | 19124 | 12634 | 12483 | 5437 |
Patient specific casemix properties | Â | Â | Â | Â | Â | Â | Â | Â |
Average age at nth discharge (years) | 61.2 | 64.7 | 65.5 | 65.5 | 64.8 | 63.7 | 62.4 | 59.0 |
Distribution of Charlson indices: | Â | Â | Â | Â | Â | Â | Â | Â |
0 | 68% | 65% | 60% | 55% | 49% | 42% | 37% | 31% |
1 | 20% | 17% | 16% | 15% | 13% | 10% | 6% | 4% |
2 and 3 | 10% | 17% | 22% | 27% | 35% | 45% | 54% | 60% |
4, 5 and 6 | 2% | 2% | 2% | 3% | 3% | 3% | 4% | 5% |
Distribution of Admissions per main diagnostic CCS group: | Â | Â | Â | Â | Â | Â | Â | Â |
Neoplasms | 13% | 20% | 25% | 31% | 40% | 52% | 65% | 72% |
Metabolic & shock etc | 4% | 5% | 6% | 7% | 8% | 9% | 12% | 14% |
Heart disease | 40% | 34% | 29% | 25% | 20% | 13% | 7% | 2% |
Respiratory disease | 11% | 11% | 12% | 12% | 11% | 9% | 6% | 3% |
Gastro-intestinal disease | 13% | 10% | 9% | 8% | 6% | 4% | 3% | 2% |
Other 7 main CCS groups | 21% | 19% | 19% | 17% | 15% | 12% | 8% | 6% |
Admission specific casemix properties | Â | Â | Â | Â | Â | Â | Â | Â |
Distribution of emergency admissions | 43% | 37% | 39% | 37% | 34% | 28% | 18% | 7% |
Average length of stay (days) | 6.8 | 7.2 | 7.0 | 6.5 | 6.0 | 5.0 | 3.4 | 1.8 |